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8d9254fc | 1 | // Copyright (C) 2019-2020 Free Software Foundation, Inc. |
12536431 ESR |
2 | // |
3 | // This file is part of the GNU ISO C++ Library. This library is free | |
4 | // software; you can redistribute it and/or modify it under the | |
5 | // terms of the GNU General Public License as published by the | |
6 | // Free Software Foundation; either version 3, or (at your option) | |
7 | // any later version. | |
8 | ||
9 | // This library is distributed in the hope that it will be useful, | |
10 | // but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | // MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | // GNU General Public License for more details. | |
13 | ||
14 | // You should have received a copy of the GNU General Public License along | |
15 | // with this library; see the file COPYING3. If not see | |
16 | // <http://www.gnu.org/licenses/>. | |
17 | ||
18 | // { dg-options "-std=gnu++2a" } | |
19 | // { dg-do compile { target c++2a } } | |
20 | ||
21 | #include <functional> | |
22 | #include <string_view> | |
23 | ||
24 | const std::string_view | |
25 | patt = "World"; | |
26 | ||
27 | constexpr std::string_view | |
28 | greet = "Hello, Humongous World of Wonder!!!"; | |
29 | ||
30 | const std::wstring_view | |
31 | wpatt = L"World"; | |
32 | ||
33 | constexpr std::wstring_view | |
34 | wgreet = L"Hello, Humongous World of Wonder!!!"; | |
35 | ||
36 | constexpr bool | |
37 | test_searcher() | |
38 | { | |
39 | auto ok = true; | |
40 | ||
41 | const std::default_searcher search(patt.begin(), patt.end(), | |
42 | std::equal_to<>()); | |
43 | const auto find = search(greet.begin(), greet.end()); | |
44 | ||
45 | const std::default_searcher wsearch(wpatt.begin(), wpatt.end(), | |
46 | std::equal_to<>()); | |
47 | const auto wfind = wsearch(wgreet.begin(), wgreet.end()); | |
48 | ||
49 | return ok; | |
50 | } | |
51 | ||
52 | static_assert(test_searcher()); |